export default class JSONManage {
  constructor() {

  }

  static toJsonStr(o){
             if (o == undefined) {
                 return "";
             }
             var r = [];
             if (typeof o == "string") return "\"" + o.replace(/([\"\\])/g, "\\$1").replace(/(\n)/g, "\\n").replace(/(\r)/g, "\\r").replace(/(\t)/g, "\\t") + "\"";
             if (typeof o == "object") {
                 if (!o.sort) {
                     for (var i in o)
                         r.push("\"" + i + "\":" + fn.Obj2str(o[i]));
                     if (!!document.all && !/^\n?function\s*toString\(\)\s*\{\n?\s*\[native code\]\n?\s*\}\n?\s*$/.test(o.toString)) {
                         r.push("toString:" + o.toString.toString());
                     }
                     r = "{" + r.join() + "}"
                 } else {
                     for (var i = 0; i < o.length; i++)
                         r.push(fn.Obj2str(o[i]))
                     r = "[" + r.join() + "]";
                 }
                 return r;
             }
             return o.toString().replace(/\"\:/g, '":""');
  }
}
